天麻苷属于 A．醇苷 B．酚苷 C．碳苷 D．氮苷 E．氰苷_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

天麻苷属于

A．醇苷
B．酚苷
C．碳苷
D．氮苷
E．氰苷

答案

参考答案：B

选择题

— Why does the Lake smell terrible?
— Because large quantities of water _____.

A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted

判断题

在时间、汇率变动与外币计价中只要有一个条件满足就能构成外汇风险。